NGC3917 Group
Sky Viewer
Images & Catalogs
Group Properties
| SGA ID of Primary Galaxy |
Group Name | Group RA (degree) |
Group Dec (degree) |
Group Diameter (arcmin) |
Mosaic Diameter (arcmin) |
Number of Group Members |
|---|---|---|---|---|---|---|
| 1111915 | NGC3917_GROUP | 177.6858673 | 51.8191944 | 4.977 | 14.931 | 2 |
Group Members
| SGA ID | Galaxy | Visual Morphology |
RA (degree) |
Dec (degree) |
HyperLeda |
|---|---|---|---|---|---|
| 120407 | PGC213888 | Sbc | 177.6401450 | 51.7523279 | Link | 1111915 | NGC3917 | Sc | 177.6893649 | 51.8246124 | Link |
Image Mosaics
Color mosaics showing the data (left panel), model (middle panel), and residuals (right panel).
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Elliptical Isophote Analysis
Geometry
This table provides several different measurements of the geometry and size of each galaxy.
Tractor |
HyperLeda |
Ellipse Moments |
Surface Brightness Threshold Radii (arcsec) |
Half-light Radii (arcsec) |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SGA ID | Galaxy |
Type | n | r(50) (arcsec) | PA (degree) | e | R(25) | PA (degree) | e |
Size (arcsec) | PA (degree) | e |
R(24) | R(25) | R(26) |
g(50) | r(50) | z(50) |
| 120407 | PGC213888 | REX | 0.00 | 5.723 | 0.0 | 0.000 | 10.943 | 86.2 | 0.098 | 13.424 | 54.3 | 0.018 | 9.920 | 12.420 | 15.026 | 6.201 | 5.808 | 5.218 |
| 1111915 | NGC3917 | SER | 0.88 | 63.765 | 76.4 | 0.754 | 139.034 | 76.4 | 0.773 | 157.711 | 76.7 | 0.764 | 265.426 | ... | ... | 403.877 | 409.989 | 162.515 |
Photometry
This table provides the Tractor model photometry and the cumulative flux measured within the R(24), R(25), and R(26) radii (corresponding to the semi-major axis length of the galaxy at the 24, 25, and 26 magnitude per square arcsec surface brightness threshold, respectively).
| Curve of Growth Photometry | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tractor Photometry | < R(24) | < R(25) | < R(26) | Integrated | ||||||||||||
| SGA ID | Galaxy | g | r | z | g | r | z | g | r | z | g | r | z | g | r | z |
| 120407 | PGC213888 | 16.931 | 16.184 | 15.696 | 17.129 | 16.406 | 15.966 | 17.005 | 16.296 | 15.879 | 16.948 | 16.246 | 15.862 | 16.887 | 16.188 | 15.824 |
| 1111915 | NGC3917 | 12.310 | 11.577 | 11.119 | 11.848 | 11.118 | 10.829 | ... | ... | ... | ... | ... | ... | 10.719 | 9.997 | 10.481 |
PGC213888 (SGA ID 120407)
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NGC3917 (SGA ID 1111915)
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